Overwrite
Complete Overwrite of the Folder with the free shard. ServUO 57.3 has been added.
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Unstable Kitsune
259
Scripts/Services/Reports/Rendering/PieChartRenderer.cs
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259
Scripts/Services/Reports/Rendering/PieChartRenderer.cs
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using System;
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using System.Collections;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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namespace Server.Engines.Reports
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{
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// Modified from MS sample
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//*********************************************************************
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//
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// PieChart Class
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//
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// This class uses GDI+ to render Pie Chart.
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//
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//*********************************************************************
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public class PieChartRenderer : ChartRenderer
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{
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private const int _bufferSpace = 125;
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private readonly ArrayList _chartItems;
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private readonly Color _backgroundColor;
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private readonly Color _borderColor;
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private readonly string _legendFontStyle;
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private readonly float _legendFontSize;
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private int _perimeter;
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private float _total;
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private int _legendWidth;
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private int _legendHeight;
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private int _legendFontHeight;
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private bool _showPercents;
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public PieChartRenderer()
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{
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this._chartItems = new ArrayList();
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this._perimeter = 250;
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this._backgroundColor = Color.White;
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this._borderColor = Color.FromArgb(63, 63, 63);
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this._legendFontSize = 8;
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this._legendFontStyle = "Verdana";
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}
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public PieChartRenderer(Color bgColor)
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{
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this._chartItems = new ArrayList();
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this._perimeter = 250;
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this._backgroundColor = bgColor;
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this._borderColor = Color.FromArgb(63, 63, 63);
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this._legendFontSize = 8;
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this._legendFontStyle = "Verdana";
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}
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public bool ShowPercents
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{
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get
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{
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return this._showPercents;
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}
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set
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{
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this._showPercents = value;
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}
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}
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//*********************************************************************
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//
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// This method collects all data points and calculate all the necessary dimensions
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// to draw the chart. It is the first method called before invoking the Draw() method.
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//
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//*********************************************************************
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public void CollectDataPoints(string[] xValues, string[] yValues)
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{
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this._total = 0.0f;
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for (int i = 0; i < xValues.Length; i++)
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{
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float ftemp = Convert.ToSingle(yValues[i]);
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this._chartItems.Add(new DataItem(xValues[i], xValues.ToString(), ftemp, 0, 0, Color.AliceBlue));
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this._total += ftemp;
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}
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float nextStartPos = 0.0f;
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int counter = 0;
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foreach (DataItem item in this._chartItems)
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{
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item.StartPos = nextStartPos;
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item.SweepSize = item.Value / this._total * 360;
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nextStartPos = item.StartPos + item.SweepSize;
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item.ItemColor = this.GetColor(counter++);
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}
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this.CalculateLegendWidthHeight();
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}
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//*********************************************************************
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//
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// This method returns a bitmap to the calling function. This is the method
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// that actually draws the pie chart and the legend with it.
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//
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//*********************************************************************
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public override Bitmap Draw()
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{
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int perimeter = this._perimeter;
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Rectangle pieRect = new Rectangle(0, 0, perimeter, perimeter - 1);
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Bitmap bmp = new Bitmap(perimeter + this._legendWidth, perimeter);
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Font fnt = null;
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Pen pen = null;
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Graphics grp = null;
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StringFormat sf = null, sfp = null;
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try
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{
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grp = Graphics.FromImage(bmp);
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grp.CompositingQuality = CompositingQuality.HighQuality;
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grp.SmoothingMode = SmoothingMode.AntiAlias;
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sf = new StringFormat();
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//Paint Back ground
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using (SolidBrush brsh = new SolidBrush(this._backgroundColor))
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grp.FillRectangle(brsh, -1, -1, perimeter + this._legendWidth + 1, perimeter + 1);
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//Align text to the right
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sf.Alignment = StringAlignment.Far;
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//Draw all wedges and legends
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for (int i = 0; i < this._chartItems.Count; i++)
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{
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DataItem item = (DataItem)this._chartItems[i];
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SolidBrush brs = null;
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try
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{
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brs = new SolidBrush(item.ItemColor);
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grp.FillPie(brs, pieRect, item.StartPos, item.SweepSize);
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//grp.DrawPie(new Pen(_borderColor,1.2f),pieRect,item.StartPos,item.SweepSize);
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if (fnt == null)
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fnt = new Font(this._legendFontStyle, this._legendFontSize);
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if (this._showPercents && item.SweepSize > 10)
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{
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if (sfp == null)
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{
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sfp = new StringFormat();
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sfp.Alignment = StringAlignment.Center;
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sfp.LineAlignment = StringAlignment.Center;
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}
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float perc = (item.SweepSize * 100.0f) / 360.0f;
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string percString = String.Format("{0:F0}%", perc);
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float px = pieRect.X + (pieRect.Width / 2);
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float py = pieRect.Y + (pieRect.Height / 2);
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double angle = item.StartPos + (item.SweepSize / 2);
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double rads = (angle / 180.0) * Math.PI;
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px += (float)(Math.Cos(rads) * perimeter / 3);
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py += (float)(Math.Sin(rads) * perimeter / 3);
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grp.DrawString(percString, fnt, Brushes.Gray,
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new RectangleF(px - 30 - 1, py - 20, 60, 40), sfp);
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grp.DrawString(percString, fnt, Brushes.Gray,
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new RectangleF(px - 30 + 1, py - 20, 60, 40), sfp);
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grp.DrawString(percString, fnt, Brushes.Gray,
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new RectangleF(px - 30, py - 20 - 1, 60, 40), sfp);
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grp.DrawString(percString, fnt, Brushes.Gray,
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new RectangleF(px - 30, py - 20 + 1, 60, 40), sfp);
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grp.DrawString(percString, fnt, Brushes.White,
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new RectangleF(px - 30, py - 20, 60, 40), sfp);
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}
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if (pen == null)
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pen = new Pen(this._borderColor, 0.5f);
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grp.FillRectangle(brs, perimeter + _bufferSpace, i * this._legendFontHeight + 15, 10, 10);
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grp.DrawRectangle(pen, perimeter + _bufferSpace, i * this._legendFontHeight + 15, 10, 10);
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grp.DrawString(item.Label, fnt,
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Brushes.Black, perimeter + _bufferSpace + 20, i * this._legendFontHeight + 13);
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grp.DrawString(item.Value.ToString("#,###.##"), fnt,
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Brushes.Black, perimeter + _bufferSpace + 200, i * this._legendFontHeight + 13, sf);
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}
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finally
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{
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if (brs != null)
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brs.Dispose();
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}
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}
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for (int i = 0; i < this._chartItems.Count; i++)
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{
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DataItem item = (DataItem)this._chartItems[i];
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SolidBrush brs = null;
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try
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{
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grp.DrawPie(new Pen(this._borderColor,0.5f), pieRect, item.StartPos, item.SweepSize);
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}
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finally
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{
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if (brs != null)
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brs.Dispose();
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}
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}
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//draws the border around Pie
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using (Pen pen2 = new Pen(this._borderColor, 2))
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grp.DrawEllipse(pen2, pieRect);
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//draw border around legend
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using (Pen pen1 = new Pen(this._borderColor, 1))
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grp.DrawRectangle(pen1, perimeter + _bufferSpace - 10, 10, 220, this._chartItems.Count * this._legendFontHeight + 25);
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//Draw Total under legend
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using (Font fntb = new Font(this._legendFontStyle, this._legendFontSize, FontStyle.Bold))
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{
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grp.DrawString("Total", fntb,
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Brushes.Black, perimeter + _bufferSpace + 30, (this._chartItems.Count + 1) * this._legendFontHeight, sf);
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grp.DrawString(this._total.ToString("#,###.##"), fntb,
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Brushes.Black, perimeter + _bufferSpace + 200, (this._chartItems.Count + 1) * this._legendFontHeight, sf);
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}
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grp.SmoothingMode = SmoothingMode.AntiAlias;
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}
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finally
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{
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if (sf != null)
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sf.Dispose();
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if (grp != null)
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grp.Dispose();
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if (sfp != null)
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sfp.Dispose();
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if (fnt != null)
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fnt.Dispose();
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if (pen != null)
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pen.Dispose();
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}
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return bmp;
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}
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//*********************************************************************
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//
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// This method calculates the space required to draw the chart legend.
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//
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//*********************************************************************
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private void CalculateLegendWidthHeight()
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{
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Font fontLegend = new Font(this._legendFontStyle, this._legendFontSize);
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this._legendFontHeight = fontLegend.Height + 3;
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this._legendHeight = fontLegend.Height * (this._chartItems.Count + 1);
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if (this._legendHeight > this._perimeter)
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this._perimeter = this._legendHeight;
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this._legendWidth = this._perimeter + _bufferSpace;
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fontLegend.Dispose();
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}
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}
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}
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